<ul>
  <li><%= link_to EducationalLevel.human_name(:count => 2), educational_levels_path %></li>
  <li><%= link_to AcademicDegree.human_name(:count => 2), academic_degrees_path %></li>
  <li><%= link_to Grade.human_name(:count => 2), grades_path %></li>
  <li><%= link_to Subject.human_name(:count => 2), subjects_path %></li>
</ul>